Sven Woltmann • 4/9/2025

Lazy Constants in Java - Finally Initialize Values Safely!

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This article details Java's Lazy Constants (formerly Stable Values), a preview feature from Java 25/26. It explains how they enable safe, lazy initialization of immutable values, their advantages over traditional 'final' fields, and covers related concepts like Lazy Lists and Maps. The content includes the rationale for immutability, performance optimizations, and practical usage examples.

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#concurrency #jvm optimization #Java
Lazy Constants in Java - Finally Initialize Values Safely!

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